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Patent Searching and Data


Title:
DOOR HINGE ASSEMBLY AND DOOR-IN-DOOR REFRIGERATOR BODY
Document Type and Number:
WIPO Patent Application WO/2024/067416
Kind Code:
A1
Abstract:
A door hinge assembly, comprising a first gear (101), a second gear (102), and a snap-fit assembly (5). The first gear (101) is arranged on a primary door (6) by means of a first hinge plate (3); the second gear (102) is engaged with the first gear (101), and the second gear (102) is arranged on the primary door (6); the snap-fit assembly (5) is arranged on a secondary door (7), and the snap-fit assembly (5) is connected to the second gear (102) by means of a second hinge plate (4). When the primary door (6) is open, the first gear (101) is engaged with the second gear (102), the second gear (102) drives the second hinge plate (4) to rise, and the snap-fit assembly (5) is in a snap-fit state, so that the secondary door (7) moves in synchronization with the primary door (6). Also provided is a door-in-door refrigerator body. When a primary door is open, a secondary door can be automatically locked, and when the primary door is closed, the secondary door can be automatically unlocked, so that the problem of inconvenience for users to access items is solved, and the use experience of users is improved.

Inventors:
OUYANG JIA (CN)
ZHANG HAO (CN)
Application Number:
PCT/CN2023/120833
Publication Date:
April 04, 2024
Filing Date:
September 22, 2023
Export Citation:
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Assignee:
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
E05D7/00; E05D5/10; E05D11/10; F25D23/02
Foreign References:
CN105546911A2016-05-04
CN105074368A2015-11-18
CN105546912A2016-05-04
CN110700713A2020-01-17
CN114812043A2022-07-29
US20130154464A12013-06-20
US20140132144A12014-05-15
Attorney, Agent or Firm:
QINGDAO ZHONGJIA STANDARD PATENT AGENCY CO., LTD (CN)
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